shell脚本一键安装MySQL5.7.29的方法
本文参考51CTO博客作者wjw555的作品
脚本内容：
viminstall.mysql.sh #!/bin/bash [-f/etc/init.d/functions]&&./etc/init.d/functions ###Checkifuserisroot if[$UID-ne0];then echo"Error:Youmustberoottorunthisscript,pleaseuseroottoinstall" exit1 fi clear echo"=========================================================================" echo"Atooltoauto-compile&installMySQL5.7.29onRedhat/CentOSLinux" echo"=========================================================================" #pkill-9mysql #date+%Y-%m-%d-%H-%M #卸载系统自带的Mysql #/bin/rpm-e$(/bin/rpm-qa|grepmysql|xargs)--nodeps #/bin/rpm-e$(/bin/rpm-qa|grepmariadb|xargs)--nodeps #/bin/rm-f/etc/my.cnf #setmysqlrootpassword echo"===========================" mysqlrootpwd="$1" if["$1"=""];then mysqlrootpwd="rootmysql" fi #whichMySQLVersiondoyouwanttoinstall? echo"===========================" isinstallmysql57="5.7.29" echo"InstallMySQL5.7.29,Pleaseinputy" read-p"(Pleaseinputy,n):" #Initializetheinstallationrelatedcontent. #DeleteOldMysqlprogram rpm-qa|grepmysql rpm-emysql cat>>/etc/security/limits.conf<>/etc/sysctl.conf echo"============================InstallMySQL5.7.29==================================" #Backupoldmy.cnf #rm-f/etc/my.cnf if[-s/etc/my.cnf];then mv/etc/my.cnf/etc/my.cnf.`date+%Y%m%d%H%M%S`.bak fi echo"============================MySQL5.7.29installing…………=========================" ##definemysqldirectoryconfigurationvariable Datadir=/data/mysql/data Binlogdir=/data/mysql/binlog Logdir=/data/mysql/logs ##yuminstalldevelandwgetmysql yuminstallnumactl /usr/bin/wget-P/tmphttp://mirrors.163.com/mysql/Downloads/MySQL-5.7/mysql-5.7.29-linux-glibc2.12-x86_64.tar.gz sleep2 tarxf/tmp/mysql-5.7.29-linux-glibc2.12-x86_64.tar.gz-C/usr/local/ ln-s/usr/local/mysql-5.7.29-linux-glibc2.12-x86_64/usr/local/mysql grepmysql/etc/passwd RETVAL=$? if[$RETVAL-ne0];then useraddmysql-s/sbin/nologin-M action"mysqluseraddedsuccessfully"/bin/true else action"$(echo-e"\e[31;47;5mmysqluseralreadyexists\e[0m")"/bin/false fi if[!-d"$Datadir"] then mkdir-p/data/mysql/data fi if[!-d"$Binlogdir"] then mkdir-p/data/mysql/binlog fi if[!-d"$Logdir"] then mkdir-p/data/mysql/logs fi chown-Rmysql:mysql/data/mysql chown-Rmysql:mysql/usr/local/mysql #edit/etc/my.cnf #SERVERID=`ifconfigeth0|grep"inetaddr"|awk'{print$2}'|awk-F.'{print$3$4}'` cat>>/etc/my.cnf< /etc/profile.d/mysql.sh source/etc/profile.d/mysql.sh echo"============================MySQL5.7.29installcompleted=========================" ps-eostart,cmd,pid|grepmysql /usr/local/mysql/bin/mysqladmin-uroot-p"$Pass"password$mysqlrootpwd
[root@localhost~]#shinstall.mysql.shmysqlroot [root@localhost~]#source/etc/profile.d/mysql.sh
说明：mysqlroot为安装脚本修改MySQL服务默认密码后的新的密码
[root@localhost~]#mysql-uroot-p'mysqlroot'-e"selectnow()" mysql:[Warning]Usingapasswordonthecommandlineinterfacecanbeinsecure. +---------------------+ |now()| +---------------------+ |2020-10-1316:18:47| +---------------------+
到此处MySQL服务启动成功！
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